.

BK7 Window

H-K9L is the alternative for N-BK7.H-K9L (N-BK7) is a RoHS-compliant borosilicate crown glass. It provides excellent transmission in the visible and near-infrared portions of the spectrum (350 nm - 2.0 µm). It is typically chosen whenever the additional benefits of UV fused silica. H-K9L (N-BK7) is probably the most common optical glass used in high-quality optical components.

Specification of BK7 Window

Material

BK7

Diameter

1 to 500 mm

Diameter Tolerance

+0/-0.02 mm

Thickness Tolerance

±0.01 mm

Surface Quality

10-5

Surface Figure

λ/10

Parallelism

1 Minute

Coating

Uncoated, AR, HR, Beamsplitter, etc.

TC Optics is a professional custom optics manufacturer, we provide optical element, bk7 optical windows, bk7 fused silicaand etc. Contact us to know bk7 glass price.



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